GO-2023-2409

    Dashboard / Vulnerabilities / GO-2023-2409

    GO-2023-2409

    Published: 20 Dec 2023Last Modified: 4 Feb 2026

    Summary: Denial of service when decrypting attacker controlled input in github.com/dvsekhvalnov/jose2go

    Details: An attacker controlled input of a PBES2 encrypted JWE blob can have a very large p2c value that, when decrypted, produces a denial-of-service.

    References: https://github.com/dvsekhvalnov/jose2go/issues/31, https://www.blackhat.com/us-23/briefings/schedule/#three-new-attacks-against-json-web-tokens-31695, https://github.com/dvsekhvalnov/jose2go/commit/a4584e9dd7128608fedbc67892eba9697f0d5317

    Affected packages

    Package

    Name: github.com/dvsekhvalnov/jose2go

    Purl: pkg:golang/github.com/dvsekhvalnov/jose2go

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -1.5.1-0.20231206184617-48ba0b76bc88

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GO-2023-2409 | CVE-DB